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Merck
CN

364681

2-(Trimethylsilyl)ethanethiol

95%

Synonym(s):

(2-Mercaptoethyl)trimethylsilane, BEST

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About This Item

Linear Formula:
(CH3)3SiCH2CH2SH
CAS Number:
18143-30-1
Molecular Weight:
134.32
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24862451
MDL number:
MFCD00077888
Beilstein/REAXYS Number:
1732126

Key Documents

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Product Name

2-(Trimethylsilyl)ethanethiol, 95%

InChI

1S/C5H14SSi/c1-7(2,3)5-4-6/h6H,4-5H2,1-3H3

SMILES string

C[Si](C)(C)CCS

InChI key

BCOLNMGFOWHFNI-UHFFFAOYSA-N

assay

95%

form

liquid

refractive index

n20/D 1.454 (lit.)

bp

144-146 °C (lit.)
62-63 °C/43 mmHg (lit.)

density

0.839 g/mL at 25 °C (lit.)

functional group

thiol

storage temp.

2-8°C

Quality Level

200

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Application

2-(Trimethylsilyl)ethanethiol can be used as:
  • An initiator in the ring opening polymerization of γ-benzyl-L-glutamate N-carboxyanhybride.
  • A source of sulfur to prepare thionucleosides and their corresponding methyl disulfides.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

120.2 °F - closed cup

flash_point_c

49 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
0000370377
0000370377
0000275523
0000275523
0000203673

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